/*
 *   Licensed to the Apache Software Foundation (ASF) under one
 *   or more contributor license agreements.  See the NOTICE file
 *   distributed with this work for additional information
 *   regarding copyright ownership.  The ASF licenses this file
 *   to you under the Apache License, Version 2.0 (the
 *   "License"); you may not use this file except in compliance
 *   with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing,
 *   software distributed under the License is distributed on an
 *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *   KIND, either express or implied.  See the License for the
 *   specific language governing permissions and limitations
 *   under the License.
 *
 */
package com.andy.eqm.server.socket.codec;

import java.util.List;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToMessageDecoder;


/**
 * CUIWM
 */

public class RequestDecoder extends MessageToMessageDecoder<ByteBuf> {
	@Override
	protected void decode(ChannelHandlerContext ctx, ByteBuf msg, List<Object> out) throws Exception {
		try {
			int len = msg.readableBytes();
			ByteBuf buffer = Unpooled.buffer(len);
//			ByteBuf buffer = msg.alloc().heapBuffer(len);
			buffer.writeBytes(msg,0,len);
			out.add(buffer);
		} catch (Exception e) {
			// 异常包直接断开连接,防止攻击
			ctx.close();
			throw e;
		}
	}
}
